The Hidden Cost of Gold: Miners, Mercury and a Path to Sustainability

The Hidden Cost of Gold: Miners, Mercury and a Path to Sustainability

Gold has captivated humanity for millennia, symbolizing wealth, love and power. Yet, behind its shimmer lies a dark environmental legacy.

Across more than 70 countries, over 10 to 15 million artisanal and small-scale miners, including an estimated 4 to 5 million women and children, rely on mercury to extract gold from ore, according to the United Nations Environment Programme (UNEP).

This method, known as amalgamation, involves mixing mercury with crushed ore to form an alloy that’s later heated, releasing mercury vapor and leaving behind gold.

The consequences are devastating.

Author's summary: Gold mining has a dark environmental legacy due to mercury pollution.

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Observer Observer — 2025-10-31

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